Uqba bin Amir reported,

The Messenger of Allah ﷺ said, "Allah says, 'Son of Adam, devote four units of prayer to Me at the beginning of the day, and I will suffice you for the rest of it.'"

Azami 2932

Sahih

عن عقبة بن عامر الجهني

أن رسول الله ﷺ قال: إن الله يقول: يا ابن آدم اكفني أول النهار بأربع ركعات، أكفك بهن آخر يومك.

الأعظمي 2932صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Prayer
Chapter
Prayer of fear
Section
Recommendation of duha prayer, its minimum being two rakahs and its most complete form being eight rakahs
Numbering
Jami al-Kamil 2932 (2nd edition)